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Kernel+ProfileViewer: Display additional filesystem events

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This commit is contained in:
Jakub Berkop 2023-08-25 23:47:42 +02:00 • committed by Andrew Kaster
parent c184a0786f
commit 54e79aa1d9
16 changed files with 655 additions and 135 deletions
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20
Kernel/Syscalls/read.cpp
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@ -13,7 +13,7 @@ namespace Kernel {
using BlockFlags = Thread::FileBlocker::BlockFlags;
static ErrorOr<NonnullRefPtr<OpenFileDescription>> open_readable_file_description(auto& fds, int fd)
ErrorOr<NonnullRefPtr<OpenFileDescription>> open_readable_file_description(auto& fds, int fd)
{
auto description = TRY(fds.with_shared([&](auto& fds) { return fds.open_file_description(fd); }));
if (!description->is_readable())
@ -38,7 +38,7 @@ static ErrorOr<void> check_blocked_read(OpenFileDescription* description)
return {};
}
ErrorOr<FlatPtr> Process::sys$readv(int fd, Userspace<const struct iovec*> iov, int iov_count)
ErrorOr<FlatPtr> Process::readv_impl(int fd, Userspace<const struct iovec*> iov, int iov_count)
{
VERIFY_PROCESS_BIG_LOCK_ACQUIRED(this);
TRY(require_promise(Pledge::stdio));
@ -71,20 +71,6 @@ ErrorOr<FlatPtr> Process::sys$readv(int fd, Userspace<const struct iovec*> iov,
return nread;
}
ErrorOr<FlatPtr> Process::sys$read(int fd, Userspace<u8*> buffer, size_t size)
{
auto const start_timestamp = TimeManagement::the().uptime_ms();
auto result = read_impl(fd, buffer, size);
if (Thread::current()->is_profiling_suppressed())
return result;
auto description = TRY(open_readable_file_description(fds(), fd));
PerformanceManager::add_read_event(*Thread::current(), fd, size, description, start_timestamp, result);
return result;
}
ErrorOr<FlatPtr> Process::read_impl(int fd, Userspace<u8*> buffer, size_t size)
{
VERIFY_PROCESS_BIG_LOCK_ACQUIRED(this);
@ -101,7 +87,7 @@ ErrorOr<FlatPtr> Process::read_impl(int fd, Userspace<u8*> buffer, size_t size)
return TRY(description->read(user_buffer, size));
}
ErrorOr<FlatPtr> Process::sys$pread(int fd, Userspace<u8*> buffer, size_t size, off_t offset)
ErrorOr<FlatPtr> Process::pread_impl(int fd, Userspace<u8*> buffer, size_t size, off_t offset)
{
VERIFY_PROCESS_BIG_LOCK_ACQUIRED(this);
TRY(require_promise(Pledge::stdio));